linux-kernel - Re: [PATCH v2 1/4] aio: add aio_kernel

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Date:	Tue, 27 Jan 2015 09:59:51 -0800
From:	Christoph Hellwig <hch@...radead.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Kleikamp <dave.kleikamp@...cle.com>,
	Jens Axboe <axboe@...nel.dk>, Zach Brown <zab@...bo.net>,
	Maxim Patlasov <mpatlasov@...allels.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	"open list:AIO" <linux-aio@...ck.org>
Subject: Re: [PATCH v2 1/4] aio: add aio_kernel_() interface

On Tue, Jan 27, 2015 at 12:18:23AM +0800, Ming Lei wrote:
> > Why do we keep these two separate?  Especially having the iov passed
> 
> No special meaning, just follow previous patches, :-)
> 
> But one benefit is that we can separate the one-shot
> initialization from submit, at least filep/complete/ki_ctx can be
> set during initialization.

FYI, I've posted another approach at async kernel reads/writes in the
"[RFC] split struct kiocb" series.  I thought I had you on Cc, but I
messed it up.

This keeps the separate init function, but it still feels a bit
pointless to me.

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